* {
	margin: 0;
	padding: 0;
	border: 0;
	font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Heiti SC", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
}

nav ul {
	list-style: none;
}

hr {
	display: block;
	height: 1px;
	border: 0;
	border-top: 1px solid gainsboro;
}

input,
select {
	vertical-align: middle;
}

body,
html {
	width: 100%;
	height: 100%;
}

html {
	font-size: 62.5%;
}
